CVE-2011-4153 — MEDIUM (5.0)

Vulnerability Description

PHP 5.3.8 does not always check the return value of the zend_strndup function, which might allow remote attackers to cause a denial of service (NULL pointer dereference and application crash) via crafted input to an application that performs strndup operations on untrusted string data, as demonstrated by the define function in zend_builtin_functions.c, and unspecified functions in ext/soap/php_sdl.c, ext/standard/syslog.c, ext/standard/browscap.c, ext/oci8/oci8.c, ext/com_dotnet/com_typeinfo.c, and main/php_open_temporary_file.c.

CVSS Score

5.0

MEDIUM

AV:N/AC:L/Au:N/C:N/I:N/A:P

Confidentiality

NONE

Integrity

NONE

Availability

PARTIAL

Affected Products

Vendor	Product	Versions
Php	Php	5.3.8

Related Weaknesses (CWE)

CWE-20

References

FAQ

What is CVE-2011-4153?

CVE-2011-4153 is a vulnerability with a CVSS score of 5.0 (MEDIUM). PHP 5.3.8 does not always check the return value of the zend_strndup function, which might allow remote attackers to cause a denial of service (NULL pointer dereference and application crash) via craf...

How severe is CVE-2011-4153?

CVE-2011-4153 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2011-4153?

Check the references section above for vendor advisories and patch information. Affected products include: Php Php.